An insurance company received claim forms from 22 phony doctors. The forms all originated from two addresses: a post office box and a business located in a nearby city and owned by the manager's husband. The manager used a limousine to pick up fellow employees from an expensive restaurant. What fraud symptoms are mentioned in this scenario?

A) Accounting anomalies
B) Extravagant lifestyles
C) Internal control weaknesses
D) Both a and b
E) All of the above